package chouxiang类;

public class keyboard implements iusb{
	@Override
	public void openDevice() {
		System.out.println("打开键盘");
	}

	@Override
	public void closeDevice() {
		System.out.println("关闭键盘");
	}
	public  void keypress() {
		System.out.println("进行打字");
	}
}
